Analisis Pengendalian Kualitas Produk Yang Diluncurkan Oleh PT Telkomsel Selama Masa Pandemi Covid-19. Paulus Economics and Business Review, [S. l.], v. 1, n. 2, 2022. Disponível em: https://ojs.ukipaulus.ac.id/index.php/pebr/article/view/440. Acesso em: 31 jul. 2025.